CN115431616B - Composite paper silicon oxide high-barrier film packaging material and preparation method and application thereof - Google Patents
Composite paper silicon oxide high-barrier film packaging material and preparation method and application thereof Download PDFInfo
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- CN115431616B CN115431616B CN202211057565.4A CN202211057565A CN115431616B CN 115431616 B CN115431616 B CN 115431616B CN 202211057565 A CN202211057565 A CN 202211057565A CN 115431616 B CN115431616 B CN 115431616B
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- Prior art keywords
- layer
- polyolefin
- silicon oxide
- film
- oxide high
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 229910052814 silicon oxide Inorganic materials 0.000 title claims abstract description 85
- 239000005022 packaging material Substances 0.000 title claims abstract description 54
- 239000002131 composite material Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 229920000098 polyolefin Polymers 0.000 claims abstract description 175
- 230000004888 barrier function Effects 0.000 claims abstract description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000004806 packaging method and process Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000000123 paper Substances 0.000 claims description 92
- 238000002834 transmittance Methods 0.000 claims description 33
- 239000003795 chemical substances by application Substances 0.000 claims description 26
- 239000002274 desiccant Substances 0.000 claims description 21
- 239000003960 organic solvent Substances 0.000 claims description 21
- 239000004014 plasticizer Substances 0.000 claims description 21
- 229920005989 resin Polymers 0.000 claims description 21
- 239000011347 resin Substances 0.000 claims description 21
- 239000011265 semifinished product Substances 0.000 claims description 19
- 239000002994 raw material Substances 0.000 claims description 17
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 16
- 238000005096 rolling process Methods 0.000 claims description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 14
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 14
- 238000007639 printing Methods 0.000 claims description 13
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 12
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical group CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 12
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 12
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 12
- -1 pentaerythritol ester Chemical class 0.000 claims description 12
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 10
- 235000010215 titanium dioxide Nutrition 0.000 claims description 9
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical group CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000000047 product Substances 0.000 claims description 8
- UHUUYVZLXJHWDV-UHFFFAOYSA-N trimethyl(methylsilyloxy)silane Chemical compound C[SiH2]O[Si](C)(C)C UHUUYVZLXJHWDV-UHFFFAOYSA-N 0.000 claims description 8
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical class [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 7
- 229920000180 alkyd Polymers 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 7
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- 239000004408 titanium dioxide Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000013329 compounding Methods 0.000 claims description 6
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims description 6
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 claims description 6
- 235000012424 soybean oil Nutrition 0.000 claims description 6
- 239000003549 soybean oil Substances 0.000 claims description 6
- 238000000498 ball milling Methods 0.000 claims description 5
- 150000003961 organosilicon compounds Chemical class 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 4
- 239000006229 carbon black Substances 0.000 claims description 4
- UKRVECBFDMVBPU-UHFFFAOYSA-N ethyl 3-oxoheptanoate Chemical compound CCCCC(=O)CC(=O)OCC UKRVECBFDMVBPU-UHFFFAOYSA-N 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 4
- 229910000077 silane Inorganic materials 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- MMEDJBFVJUFIDD-UHFFFAOYSA-N 2-[2-(carboxymethyl)phenyl]acetic acid Chemical compound OC(=O)CC1=CC=CC=C1CC(O)=O MMEDJBFVJUFIDD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052793 cadmium Inorganic materials 0.000 claims description 3
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 3
- FXNONNRUNQPNLF-UHFFFAOYSA-N cerium;2-ethylhexanoic acid Chemical compound [Ce].CCCCC(CC)C(O)=O.CCCCC(CC)C(O)=O.CCCCC(CC)C(O)=O FXNONNRUNQPNLF-UHFFFAOYSA-N 0.000 claims description 3
- MOUPNEIJQCETIW-UHFFFAOYSA-N lead chromate Chemical compound [Pb+2].[O-][Cr]([O-])(=O)=O MOUPNEIJQCETIW-UHFFFAOYSA-N 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 203
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 235000021056 liquid food Nutrition 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
- 150000001336 alkenes Chemical class 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 abstract description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000002904 solvent Substances 0.000 abstract description 2
- 239000007888 film coating Substances 0.000 abstract 2
- 238000009501 film coating Methods 0.000 abstract 2
- 239000004698 Polyethylene Substances 0.000 description 28
- 239000004743 Polypropylene Substances 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 11
- 229910052782 aluminium Inorganic materials 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 239000011888 foil Substances 0.000 description 8
- 238000005507 spraying Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 239000002346 layers by function Substances 0.000 description 4
- 229920001684 low density polyethylene Polymers 0.000 description 4
- 239000004702 low-density polyethylene Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 239000004712 Metallocene polyethylene (PE-MC) Substances 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 2
- 229920006378 biaxially oriented polypropylene Polymers 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011091 composite packaging material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000011101 paper laminate Substances 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/40—Applications of laminates for particular packaging purposes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/08—Printing inks based on natural resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
- C09D11/103—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds of aldehydes, e.g. phenol-formaldehyde resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
- C09D11/104—Polyesters
- C09D11/105—Alkyd resins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/20—Inorganic coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/402—Coloured
- B32B2307/4026—Coloured within the layer by addition of a colorant, e.g. pigments, dyes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/41—Opaque
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
- B32B2307/7244—Oxygen barrier
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
- B32B2307/7246—Water vapor barrier
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
Abstract
The invention discloses a composite paper silicon oxide high-barrier film packaging material, a preparation method and application thereof, belonging to the technical field of high-barrier packaging materials, and comprising an upper polyolefin film layer, a printable polyolefin synthetic paper layer, a first polyolefin film coating layer, a silicon oxide high-barrier layer, a second polyolefin film coating layer and a bottom polyolefin film layer, wherein the total thickness is 305-350 mu m, and the thickness of each layer is as follows: the upper polyolefin film layer is 20-35 mu m, the polyolefin synthetic paper layer is 213-219 mu m, the first polyolefin laminated layer is 6-8 mu m, the silicon oxide high barrier layer is 30-45 mu m, the second polyolefin laminated layer is 6-8 mu m, and the bottom polyolefin film layer is 30-35 mu m. Under the combined action of the silicon oxide high barrier layer, the polyolefin synthetic paper and the laminating process, the invention can provide an excellent scheme for packaging fresh liquid foods, and the upper layer and the lower layer are adhered with polyolefin films and cannot be separated by water, solvents, high temperature and the like, so that the polyolefin films become packaging materials of olefin materials, thereby solving the problem of environmental protection and recycling.
Description
Technical Field
The invention relates to the technical field of high-barrier packaging materials, in particular to an environment-friendly recyclable composite paper silicon oxide high-barrier film packaging material, and a preparation method and application thereof.
Background
Along with the gradual improvement of the requirements of people on living standard and the rapid development of food packaging, the high-barrier flexible package with higher requirements on indexes such as water permeation, oxygen permeation and the like is developed vigorously. The global film material industry is continuously developing and researching new materials, and optimizing the material performance in the aspects of transparency, high barrier property, rub resistance, heat resistance, humidity resistance and the like. On the other hand, the kinds of the packaged objects of the food have increased in proportion, and the requirements for intelligent food packaging are more and more urgent, so that not only is the packaging performance in the aspect of oxygen resistance and moisture resistance required, but also the environment friendliness easy to recycle is required.
Currently, paper laminate packaging materials for fresh liquids on the market rely on the high barrier properties of aluminum foil to exert the barrier properties of composite packaging, a construction that has been used for many years. However, this construction does not meet the high environmental requirements because the laminated structure material is diversified by the aluminum foil layer which it contains, and besides the paper layer which takes on the printing and shading effects, the same problem is brought about. Therefore, there is a need to develop an environment-friendly recyclable composite paper silicon oxide high barrier film packaging material to solve the above technical problems.
Patent document publication No. CN108995333a discloses a BOPE high barrier composite film, and a packaging material and a packaging product containing the same. The BOPE high-barrier composite film comprises a three-layer film structure, wherein the first film layer comprises BOPE, the second film layer is a high-barrier coating layer, the third film layer comprises PE, the BOPE is a three-layer structure, and the three layers are sequentially from outside to inside: the first functional layer, the sandwich layer, the second functional layer, the raw materials of first functional layer are: the raw materials of the low-density polyethylene, the metallocene polyethylene and the polychloroethylene and the optional auxiliary agent are as follows: metallocene polyethylene, ethylene copolymer and optional auxiliary agent; the core layer material comprises the following raw materials: low density polyethylene, metallocene polyethylene, ethylene copolymers, and polybutene, which contains various components, is not conducive to environmental recovery.
The patent document with publication number of CN110667218A discloses an environment-friendly high-barrier composite packaging material and a preparation method thereof, wherein the environment-friendly high-barrier composite packaging material is composed of a moisture-absorbing film, a barrier film and a spun-bonded non-woven fabric or PE plastic film which are sequentially arranged from inside to outside and are fixedly connected with each other, and the barrier film of the packaging material adopts the PE plastic film added with nano bentonite, so that the barrier effect is to be improved.
Disclosure of Invention
The invention aims to provide an environment-friendly recyclable composite paper silicon oxide high-barrier film packaging material, which can reduce the types of materials with an integral structure on the premise of exerting high barrier performance equivalent to that of aluminum foil, thereby serving the production and recovery of products.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a composite paper silicon oxide high-barrier film packaging material sequentially comprises the following components from top to bottom: the upper polyolefin film layer, the printable polyolefin synthetic paper layer, the first polyolefin laminated layer, the silicon oxide high-barrier layer, the second polyolefin laminated layer and the bottom polyolefin film layer.
Further, the total thickness is 305-350 μm.
Further, the thickness of each layer is as follows: the upper polyolefin film layer is 20-35 mu m, the polyolefin synthetic paper layer is 213-219 mu m, the first polyolefin laminated layer is 6-8 mu m, the silicon oxide high barrier layer is 30-45 mu m, the second polyolefin laminated layer is 6-8 mu m, and the bottom polyolefin film layer is 30-35 mu m.
Further, the polyolefin is PE, PP or a mixture of PE and PP, and the melt index is 7.
Furthermore, the silicon oxide high-barrier film takes liquid organosilicon compound or gaseous silane as raw material, and is deposited on the substrate to form a coating by a plasma enhanced chemical vapor deposition method.
Further, the organosilicon compounds are hexamethyldisiloxane and tetramethyldisiloxane.
Further, the preparation method of the polyolefin synthetic paper layer comprises the steps of firstly melting, extruding and forming a film from a mixture of PE and PP, and stretching the film along different axial directions to form a film; then, the film is processed in paper shape, and titanium dioxide is added to make the film opaque and the whiteness is improved.
Further, the graph-text part of the polyolefin synthetic paper layer is formed by printing ink through intaglio printing.
Further, the upper polyolefin film layer and the bottom polyolefin film layer have the same components, and the first polyolefin laminated layer and the second polyolefin laminated layer have the same components.
Furthermore, the composite paper silicon oxide high-barrier film packaging material is applied to forming liquid packaging boxes and liquid packaging pillow-shaped bags.
Furthermore, the transmittance of the composite paper silicon oxide high-barrier film packaging material is less than or equal to 5%, and the oxygen transmittance is less than 1cm 3 /（m 2 * 24h) The water vapor transmittance is less than 1cm 3 /（m 2 * 24h) The peel strength between layers is more than or equal to 1N/15mm, the longitudinal stiffness is more than or equal to 100 mN/38 mm, the transverse stiffness is more than or equal to 45 mN/38 mm, the longitudinal tensile strength is more than or equal to 30 MPa, the transverse tensile strength is more than or equal to 20MPa, and the water bath heating temperature is 80 ℃ below 30 min.
Further, the polyolefin synthetic paper layer has good stiffness and tensile strength, the longitudinal stiffness is more than or equal to 90mN/38 mm, the transverse stiffness is more than or equal to 40 mN/38 mm, the longitudinal tensile strength is more than or equal to 30 MPa, and the transverse tensile strength is more than or equal to 20MPa.
Further, the ink is prepared from the following raw materials in parts by weight: 30-35 parts of resin, 20-25 parts of color developing agent, 0.4-1 part of plasticizer, 0.2-0.5 part of drying agent and 40-45 parts of organic solvent.
The resin is one or more of rosin pentaerythritol ester, alkyd resin, rosin modified phenolic resin and maleic anhydride.
The color developing agent is any one or more of carbon black, chrome yellow, cadmium red, iron blue, chrome green and titanium white.
The plasticizer is dibutyl phthalate or epoxidized soybean oil.
The drying agent is one of cobalt octoate, manganese octoate, zirconium octoate and cerium octoate.
The organic solvent is ethyl acetate or isopropanol.
Further, the preparation method of the composite paper silicon oxide high-barrier film packaging material comprises the following steps:
(1) Preparation of a silicon oxide high-barrier layer: the silicon oxide high barrier layer takes liquid organosilicon compound or gaseous silane as raw material, and is deposited on the substrate by a plasma enhanced chemical vapor deposition method to form a coating film, the permeability of the coating film to oxygen is reduced to 0.8cm 3 /m 2 24h.0.1MPa or less, and the transmittance to water vapor is reduced to 0.8cm 3 /m 2 24h.0.1MPa or less;
(2) Preparation of graphic ink: adding the color developing agent into a ball mill for ball milling, then adding the color developing agent, the resin, the plasticizer, the drying agent and the organic solvent into a stirrer together, and stirring at the normal temperature for 10min at the rotating speed of 500 r/min;
(3) Preparing a polyolefin synthetic paper layer: firstly, melting, extruding and forming a film from a mixture of PE and PP, and stretching the film along different axial directions to generate a film; then, the film is processed in a paper shape, titanium dioxide is added to make the film opaque, the whiteness is improved, the light transmittance is 5%, the longitudinal stiffness is more than or equal to 90mN/38 mm, and the transverse stiffness is more than or equal to 40 mN/38 mm;
(4) Printing ink: intaglio printing is carried out on the polyolefin synthetic paper layer through typesetting of the image-text part;
(5) Extrusion compounding: the method comprises the steps of plasticizing and extruding a polyolefin material by a screw after heating, wherein the extruding temperature is 280 ℃, adhering the polyolefin material to the upper surface and the lower surface of a silicon oxide high barrier layer after stretching, forming a first polyolefin laminated layer on the upper surface of the silicon oxide high barrier layer, bonding the first polyolefin laminated layer with a polyolefin synthetic paper layer, wherein the bonding temperature is 130 ℃, the peeling strength is more than or equal to 1N/15mm, forming a second polyolefin laminated layer on the lower surface of the silicon oxide high barrier layer, forming a semi-finished product, carrying out cold treatment on the semi-finished product by a cooling roller, guiding a polyolefin film by the cooling roller, and tightly adhering the polyolefin film and the semi-finished product together, wherein the upper polyolefin film layer is positioned on the upper surface of the polyolefin synthetic paper layer, and the lower polyolefin film layer is positioned on the lower surface of the second polyolefin laminated layer, thus forming the semi-finished product;
(6) And (3) rolling: rolling the produced finished product by a rolling machine;
(7) Cutting: and cutting the rolled packaging material according to the image-text layout printed on the packaging material so as to facilitate the subsequent forming and use.
The invention has the following beneficial effects: at present, the common packages in the market are tetra pak, kang Meibao and the like, which are formed by compounding paper, polyethylene plastic and aluminum foil, wherein graphics are printed on a paperboard, then the printed paper and the aluminum foil are bonded together through an LDPE coating layer, then heat-seal PE is compounded on the aluminum foil side through an EAA coating layer, and finally the outside of the paper is coated with LDPE to protect the outside of the paper. The process method comprises an aluminum foil layer, which is not beneficial to recycling. This application has cancelled the aluminium foil layer, uses the high barrier layer of silica of OPP substrate to reach the purpose of demetallization, be convenient for retrieve, because most ingredients are polyolefin, consequently recycle is more convenient.
The invention adopts an upper polyolefin film layer, a printable polyolefin synthetic paper layer, a first polyolefin laminated layer, a silicon oxide high barrier layer, a second polyolefin laminated layer and a bottom polyolefin film layer, 6 layers in totalStructure is as follows. The silicon oxide high barrier layer is prepared by chemical vapor deposition, the thickness is 30-45 μm, the light transmittance is more than or equal to 88%, and the oxygen transmittance is less than 0.8 and 0.8cm 3 /（m 2 * 24h) The water vapor transmittance is less than 0.8 and 0.8cm 3 /（m 2 * 24h) The steaming-resistant temperature is 80-120 ℃, the barrier layer has the flexibility which is not possessed by the metal barrier layer, the effective resistance times to the rubbing test is 40 times, the whole structure does not contain any metal component, the barrier layer has the excellent performance that other materials are difficult to replace, the barrier layer has high barrier property, the long-term preservation problem of fresh liquid foods can be solved, and the recovery convenience which is not possessed by the existing aluminum foil structure in recovery is possessed.
The main component of the printable polyolefin synthetic paper layer is PE, after the PE is formed into a paper shape, titanium dioxide and the like are added, so that a certain stiffness and shading effect are achieved, the light transmittance is less than or equal to 5%, the longitudinal stiffness is more than or equal to 90mN/38 mm, the transverse stiffness is more than or equal to 40 mN/38 mm, the shading effect and the stiffness effect of the similar paper can be achieved, the material is still a high polymer material, and other functional layers belong to the same material.
In summary, under the combined action of the silicon oxide high barrier layer, the polyolefin synthetic paper and the laminating process, an excellent scheme can be provided for packaging fresh liquid foods, and the upper layer and the lower layer are adhered with the polyolefin film and cannot be separated by water, solvents, high temperature and the like, so that the packaging material is made into a packaging material made of single olefin materials, the problem of environmental protection and recovery is solved, and the packaging material has positive popularization value.
Drawings
FIG. 1 is a schematic structural view of a composite paper silicon oxide high barrier film packaging material of the present invention.
The meaning of each reference numeral is as follows:
1: upper polyolefin film layer, 2: printable polyolefin synthetic paper layer, 3: first polyolefin drenches membrane layer, 4: high barrier layer of silicon oxide, 5: second polyolefin laminated layer, 6: a bottom polyolefin film layer.
Description of the embodiments
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 of the specification. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the invention, fall within the scope of protection of the invention.
Referring to fig. 1 of the specification, a composite paper silicon oxide high barrier film packaging material comprises the following components in sequence from top to bottom: the upper polyolefin film layer 1, the printable polyolefin synthetic paper layer 2, the first polyolefin laminated layer 3, the silicon oxide high barrier layer 4, the second polyolefin laminated layer 5 and the bottom polyolefin film layer 6 have the thickness of 305-350 mu m. The thickness of each layer is as follows: the upper polyolefin film layer is 1-35 mu m, the polyolefin synthetic paper layer is 2-213 mu m, the first polyolefin laminated layer is 3 6-8 mu m, the silicon oxide high barrier layer is 4-45 mu m, the second polyolefin laminated layer is 5 6-8 mu m, and the bottom polyolefin film layer is 6-35 mu m.
The composite paper silicon oxide high-barrier film packaging material is applied to a formed liquid packaging box and a liquid packaging pillow-shaped bag.
Examples
The embodiment provides a preparation method of a composite paper silicon oxide high-barrier film packaging material, which comprises the following steps:
(1) Preparation of a silicon oxide high-barrier layer: the silicon oxide high-barrier layer takes liquid hexamethyldisiloxane and tetramethyl disiloxane as raw materials, and the weight ratio of the liquid hexamethyldisiloxane to the tetramethyl disiloxane is as follows: the ratio of the tetramethyl disiloxane to the film is 2:1, and the film is deposited on the substrate by a plasma enhanced chemical vapor deposition method; the thickness of the silicon oxide high barrier layer is 30 mu m;
(2) Preparation of graphic ink: adding the color developing agent into a ball mill for ball milling, then adding the color developing agent, the resin, the plasticizer, the drying agent and the organic solvent into a stirrer together, and stirring at the normal temperature for 10min at the rotating speed of 500 r/min;
the ink is prepared from the following raw materials in parts by weight: 30 parts of resin, 20 parts of color developing agent, 0.4 part of plasticizer, 0.2 part of drying agent and 40 parts of organic solvent;
the resin is rosin pentaerythritol ester, the color-developing agent is carbon black, the plasticizer is dibutyl phthalate, the drying agent is cobalt octoate, and the organic solvent is ethyl acetate;
(3) Preparing a polyolefin synthetic paper layer: firstly, melting, extruding and forming a film from a mixture of PE and PP, and stretching the film along different axial directions to generate a film; then, the film is processed in paper shape, titanium dioxide is added to make the film opaque, and the whiteness is improved; weight ratio PE: PP is 5:1; the thickness of the polyolefin synthetic paper layer is 213 mu m;
(4) Printing ink: intaglio printing is carried out on the polyolefin synthetic paper layer through typesetting of the image-text part;
(5) Extrusion compounding: heating PE with a melt index of 7 by adopting a film spraying method, plasticizing and extruding the PE by a screw rod, wherein the extruding temperature is 280 ℃, stretching the PE, adhering the PE to the upper surface and the lower surface of a silicon oxide high barrier layer, forming a first polyolefin film spraying layer on the upper surface of the silicon oxide high barrier layer, bonding the PE with a polyolefin synthetic paper layer, forming a second polyolefin film spraying layer on the lower surface of the silicon oxide high barrier layer at 130 ℃, forming a semi-finished product, carrying out cold treatment on the semi-finished product by a cooling roller, guiding a polyolefin PE film by the cooling roller at 50 ℃, fastening and adhering the PE film and the semi-finished product together, wherein the upper polyolefin film layer is positioned on the upper surface of the polyolefin synthetic paper layer, and the lower polyolefin film layer is positioned on the lower surface of the second polyolefin film spraying layer, thus forming the semi-finished product; the thickness of the upper polyolefin film layer is 20 mu m, the thickness of the first polyolefin film layer is 6 mu m, the thickness of the second polyolefin film layer is 6 mu m, and the thickness of the bottom polyolefin film layer is 30 mu m;
(6) And (3) rolling: rolling the produced finished product by a rolling machine;
(7) Cutting: and cutting the rolled packaging material according to the image-text layout printed on the packaging material so as to facilitate the subsequent forming and use.
Examples
The embodiment provides a preparation method of a composite paper silicon oxide high-barrier film packaging material based on embodiment 1, which comprises the following steps:
(1) Preparation of a silicon oxide high-barrier layer: the silicon oxide high barrier layer takes gaseous silane as a raw material, and a coating film is deposited on a substrate by a plasma enhanced chemical vapor deposition method; the thickness of the silicon oxide high barrier layer is 32 mu m
(2) Preparation of graphic ink: adding the color developing agent into a ball mill for ball milling, then adding the color developing agent, the resin, the plasticizer, the drying agent and the organic solvent into a stirrer together, and stirring at the normal temperature for 10min at the rotating speed of 500 r/min;
the ink is prepared from the following raw materials in parts by weight: 31 parts of resin, 21 parts of color developing agent, 0.6 part of plasticizer, 0.3 part of drying agent and 41 parts of organic solvent;
the resin is alkyd resin, the color developing agent is chrome yellow, the plasticizer is epoxidized soybean oil, the drying agent is manganese octoate, and the organic solvent is isopropanol;
(3) Preparing a polyolefin synthetic paper layer: firstly, melting, extruding and forming a film from a mixture of PE and PP, and stretching the film along different axial directions to generate a film; then, the film is processed in paper shape, titanium dioxide is added to make the film opaque, and the whiteness is improved; weight ratio PE: PP is 6:1; the thickness of the polyolefin synthetic paper layer is 218 mu m;
(4) Printing ink: intaglio printing is carried out on the polyolefin synthetic paper layer through typesetting of the image-text part;
(5) Extrusion compounding: the PP with the melt index of 7 is plasticized and extruded by a screw rod after being heated, the extrusion temperature is 280 ℃, the PP is stretched and then is adhered to the upper surface and the lower surface of the silicon oxide high barrier layer, a first polyolefin laminated layer is formed on the upper surface of the silicon oxide high barrier layer and is adhered to a polyolefin synthetic paper layer, the adhesion temperature is 130 ℃, a second polyolefin laminated layer is formed on the lower surface of the silicon oxide high barrier layer, a semi-finished product is formed, the semi-finished product is subjected to cold treatment by a cooling roller, the temperature after the cold roller treatment is 50 ℃, a polyolefin PP film is guided by the cooling roller and is fastened and adhered with the semi-finished product, the upper polyolefin film layer is positioned on the upper surface of the polyolefin synthetic paper layer, and the lower polyolefin film layer is positioned on the lower surface of the second polyolefin laminated layer, so that the semi-finished product is formed; the thickness of the upper polyolefin film layer is 28 mu m, the thickness of the first polyolefin film layer is 6 mu m, the thickness of the second polyolefin film layer is 6 mu m, and the thickness of the bottom polyolefin film layer is 31 mu m;
(6) And (3) rolling: rolling the produced finished product by a rolling machine;
(7) Cutting: and cutting the rolled packaging material according to the image-text layout printed on the packaging material so as to facilitate the subsequent forming and use.
Examples
The embodiment provides a preparation method of a composite paper silicon oxide high-barrier film packaging material based on embodiment 1, which comprises the following steps:
(1) Preparation of a silicon oxide high-barrier layer: the silicon oxide high-barrier layer takes liquid hexamethyldisiloxane and tetramethyl disiloxane as raw materials, and the weight ratio of the liquid hexamethyldisiloxane to the tetramethyl disiloxane is as follows: the ratio of the tetramethyl disiloxane to the film is 3:1, and the film is deposited on the substrate by a plasma enhanced chemical vapor deposition method; the thickness of the silicon oxide high barrier layer is 35 mu m;
(2) Preparation of graphic ink: adding the color developing agent into a ball mill for ball milling, then adding the color developing agent, the resin, the plasticizer, the drying agent and the organic solvent into a stirrer together, and stirring at the normal temperature for 10min at the rotating speed of 500 r/min;
the ink is prepared from the following raw materials in parts by weight: 32 parts of resin, 22 parts of color developing agent, 0.7 part of plasticizer, 0.4 part of drying agent and 42 parts of organic solvent;
the resin is rosin modified phenolic resin, the color developing agent is cadmium red, the plasticizer is epoxidized soybean oil, the drying agent is zirconium octoate, and the organic solvent is isopropanol;
(3) Preparing a polyolefin synthetic paper layer: firstly, melting, extruding and forming a film from a mixture of PE and PP, and stretching the film along different axial directions to generate a film; then, the film is processed in paper shape, titanium dioxide is added to make the film opaque, and the whiteness is improved; weight ratio PE: PP is 7:1; the thickness of the polyolefin synthetic paper layer is 215 mu m;
(4) Printing ink: intaglio printing is carried out on the polyolefin synthetic paper layer through typesetting of the image-text part;
(5) Extrusion compounding: PE and PP mixture with melt index of 7, weight ratio PE: PP is 2:1, a film spraying method is adopted, the film is plasticized and extruded by a screw after heating, the extrusion temperature is 280 ℃, the film is stretched and then adhered to the upper surface and the lower surface of a silicon oxide high barrier layer, a first polyolefin film spraying layer is formed on the upper surface of the silicon oxide high barrier layer and is bonded with a polyolefin synthetic paper layer, the bonding temperature is 130 ℃, a second polyolefin film spraying layer is formed on the lower surface of the silicon oxide high barrier layer, a semi-finished product is formed, the semi-finished product is subjected to cold treatment by a cooling roller, the temperature after the cold roller treatment is 50 ℃, a polyolefin film is guided by the cooling roller, the polyolefin film is PE and PP are mixed, and the weight ratio of PE: PP is 3:1, tightly adhering the polyolefin synthetic paper layer with a semi-finished product, wherein an upper polyolefin film layer is positioned on the upper surface of the polyolefin synthetic paper layer, and a bottom polyolefin film layer is positioned on the lower surface of the second polyolefin film layer, so as to form a finished product; the thickness of the upper polyolefin film layer is 25 mu m, the thickness of the first polyolefin film layer is 7 mu m, the thickness of the second polyolefin film layer is 7 mu m, and the thickness of the bottom polyolefin film layer is 32 mu m;
(6) And (3) rolling: rolling the produced finished product by a rolling machine;
(7) Cutting: and cutting the rolled packaging material according to the image-text layout printed on the packaging material so as to facilitate the subsequent forming and use.
Examples
The present embodiment provides a method for preparing a composite paper silicon oxide high barrier film packaging material, which is different from embodiment 3 in that: the ink in the step (2) has different formulas, and the ink in the embodiment is prepared from the following raw materials in parts by weight: 33 parts of resin, 23 parts of color developing agent, 0.8 part of plasticizer, 0.4 part of drying agent and 43 parts of organic solvent.
The resin is maleic anhydride, the color developing agent is ferric blue, the plasticizer is dibutyl phthalate, the drying agent is cerium octoate, and the organic solvent is isopropanol.
The thickness of the silicon oxide high barrier layer is 36 mu m, the thickness of the polyolefin synthetic paper layer is 216 mu m, the thickness of the upper polyolefin film layer is 30 mu m, the thickness of the first polyolefin laminated layer is 7 mu m, the thickness of the second polyolefin laminated layer is 7 mu m, and the thickness of the bottom polyolefin film layer is 33 mu m.
Examples
The present embodiment provides a method for preparing a composite paper silicon oxide high barrier film packaging material, which is different from embodiment 3 in that: the ink in the step (2) has different formulas, and the ink in the embodiment is prepared from the following raw materials in parts by weight: 34 parts of resin, 24 parts of color developing agent, 0.9 part of plasticizer, 0.4 part of drying agent and 44 parts of organic solvent.
The resin is rosin pentaerythritol ester, alkyd resin, rosin modified phenolic resin and maleic anhydride, and the weight ratio is as follows: rosin pentaerythritol ester: alkyd resin: rosin-modified phenolic resin: maleic anhydride is 1:0.8:2:0.8, the color-developing agent is carbon black, the plasticizer is epoxidized soybean oil, the drying agent is zirconium octoate, and the organic solvent is ethyl acetate.
The thickness of the silicon oxide high barrier layer is 38 mu m, the thickness of the polyolefin synthetic paper layer is 214 mu m, the thickness of the upper polyolefin film layer is 32 mu m, the thickness of the first polyolefin laminated layer is 8 mu m, the thickness of the second polyolefin laminated layer is 8 mu m, and the thickness of the bottom polyolefin film layer is 34 mu m.
Examples
The present embodiment provides a method for preparing a composite paper silicon oxide high barrier film packaging material, which is different from embodiment 3 in that: the ink in the step (2) has different formulas, and the ink in the embodiment is prepared from the following raw materials in parts by weight: 35 parts of resin, 25 parts of color developing agent, 1 part of plasticizer, 0.5 part of drying agent and 45 parts of organic solvent.
The resin is rosin pentaerythritol ester, alkyd resin, rosin modified phenolic resin and maleic anhydride, and the weight ratio is as follows: rosin pentaerythritol ester: alkyd resin: rosin-modified phenolic resin: maleic anhydride is 1:0.8:2.5:1, the color-developing agent is chrome green, the plasticizer is epoxidized soybean oil, the drying agent is manganese octoate, and the organic solvent is isopropanol.
The thickness of the silicon oxide high barrier layer is 40 mu m, the thickness of the polyolefin synthetic paper layer is 219 mu m, the thickness of the upper polyolefin film layer is 35 mu m, the thickness of the first polyolefin laminated layer is 8 mu m, the thickness of the second polyolefin laminated layer is 8 mu m, and the thickness of the bottom polyolefin film layer is 35 mu m.
Comparative example 1
This comparative example provides a composite paper silicon oxide high barrier film packaging material, which is similar to example 1, except that the silicon oxide high barrier layer has a thickness of 25 μm, the polyolefin synthetic paper layer has a thickness of 210 μm, the upper polyolefin film layer has a thickness of 35 μm, the first polyolefin film layer has a thickness of 6 μm, the second polyolefin film layer has a thickness of 6 μm, and the bottom polyolefin film layer has a thickness of 35 μm.
Comparative example 2
This comparative example provides a composite paper silicon oxide high barrier film packaging material, which is similar to example 1, except that the silicon oxide high barrier layer has a thickness of 43 μm, the polyolefin synthetic paper layer has a thickness of 221 μm, the upper polyolefin film layer has a thickness of 25 μm, the first polyolefin film layer has a thickness of 8 μm, the second polyolefin film layer has a thickness of 8 μm, and the bottom polyolefin film layer has a thickness of 30 μm.
Comparative example 3
This comparative example provides a composite paper silicon oxide high barrier film packaging material, which is similar to example 1, except that the silicon oxide high barrier layer is absent.
Performance detection
The light transmittance is tested by adopting a WGT-S BOPP film light transmittance haze tester;
the water vapor transmittance is tested by adopting a W3/060 BOPP film water vapor transmittance tester;
the oxygen transmission rate is tested by adopting an OX2/231 plastic composite film oxygen transmission rate tester for packaging;
the peeling strength is tested by a plastic composite film peeling force tester for BLD-200N packaging;
the tensile strength is tested by using a plastic composite bag stretch breaking tester for XLW (PC) packaging;
the stiffness was measured using an HP-DLT stiffness tester.
The results of the measurements are shown in tables 1-3 below.
Table 1 test results of composite paper silicon oxide high barrier film packaging material
TABLE 2 detection results of high barrier layers of silicon oxide
TABLE 3 detection results of polyolefin synthetic paper layers
As can be seen from the results of the test of peel strength between the layers of examples 1 to 6 and comparative examples 1 to 3, the water bath heating temperature of less than 30min is 80 to 85 ℃ and the water bath heating temperature is 1 to 1.4N/15mm, and the combination of tables 1 to 3, the light transmittance of the environment-friendly recyclable composite paper silicon oxide high barrier film packaging material in examples 1 to 6 is 3.1 to 3.6%, and the oxygen transmittance is 0.46 to 0.55cm 3 /（m 2 * 24h) The water vapor transmittance is 0.41-0.52cm 3 /（m 2 * 24h) The longitudinal stiffness is 118-130 mN/38 mm, the transverse stiffness is 65-72 mN/38 mm, the longitudinal tensile strength is 58-63 MPa, and the transverse tensile strength is 42-50MPa. The transmittance of the silicon oxide high barrier layer is 89.5-91.8%, and the oxygen transmittance is 0.61-0.65 cm 3 /（m 2 * 24h) The water vapor permeability is 0.61-0.68 and 0.68 cm 3 /（m 2 * 24h) A. The invention relates to a method for producing a fibre-reinforced plastic composite The light transmittance of the polyolefin synthetic paper layer is 4.1-4.5%, the longitudinal stiffness is 92-98 mN/38 mm, the transverse stiffness is 46-53 mN/38 mm, the longitudinal tensile strength is 39-43 MPa, and the transverse tensile strength is 25-29MPa. The comparative example 1 reduces the thickness of the high barrier layer of silicon oxide and the polyolefin synthetic paper layer, and the transmittance, the oxygen transmittance and the water vapor transmittance of the environment-friendly recyclable composite paper high barrier film packaging material are all increased, and the stiffness and the tensile strength are all reduced; comparative example 2 increases the thickness of the silica high barrier layer and the polyolefin synthetic paper layer, and the environmental protection recyclable composite paper oxidationThe transmittance, oxygen transmittance, water vapor transmittance, and stiffness of the silicon high barrier film packaging material were not greatly changed as compared with example 6, and the tensile strength was slightly reduced as compared with example 6. Comparative example 3 the silicon oxide high barrier layer was omitted from comparative example 1, and the environmental-friendly recyclable composite paper silicon oxide high barrier film packaging material had the worst properties such as light transmittance, oxygen transmittance, water vapor transmittance, stiffness and tensile strength. The effect of the high barrier layer of silicon oxide and the polyolefin synthetic paper layer on the packaging material is the greatest.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the invention, and that equivalent modifications and variations of the invention in light of the spirit of the invention will be covered by the claims of the present invention.
Claims (5)
1. A composite paper silicon oxide high-barrier film packaging material is characterized in that: the method sequentially comprises the following steps from top to bottom: an upper polyolefin film layer, a printable polyolefin synthetic paper layer, a first polyolefin laminated layer, a silicon oxide high barrier layer, a second polyolefin laminated layer and a bottom polyolefin film layer; the total thickness is 305-350 mu m; the thickness of each layer is as follows: the upper polyolefin film layer is 20-35 mu m, the polyolefin synthetic paper layer is 213-219 mu m, the first polyolefin laminated layer is 6-8 mu m, the silicon oxide high barrier layer is 30-45 mu m, the second polyolefin laminated layer is 6-8 mu m, and the bottom polyolefin film layer is 30-35 mu m; the light transmittance of the composite paper silicon oxide high-barrier film packaging material is 3.1-3.6%, and the oxygen transmittance is 0.46-0.55cm 3 /（m 2 * 24h) The water vapor transmittance is 0.41-0.52cm 3 /（m 2 * 24h) The longitudinal stiffness is 118-130 mN/38 mm, the transverse stiffness is 65-72 mN/38 mm, the longitudinal tensile strength is 58-63 MPa, the transverse tensile strength is 42-50MPa, and the water bath heating temperature is 80-85 ℃ below 30 min;
the preparation method of the composite paper silicon oxide high-barrier film packaging material comprises the following steps:
(1) Preparation of a silicon oxide high-barrier layer: the silicon oxide high barrier layer takes liquid organosilicon compound or gaseous silane as raw material, and is deposited on the substrate by a plasma enhanced chemical vapor deposition method to form a coating film, the permeability of the coating film to oxygen is reduced to 0.8cm 3 /m 2 24h.0.1MPa or less, and the transmittance to water vapor is reduced to 0.8cm 3 /m 2 24h.0.1MPa or less;
(2) Preparation of graphic ink: adding the color developing agent into a ball mill for ball milling, then adding the color developing agent, the resin, the plasticizer, the drying agent and the organic solvent into a stirrer together, and stirring at the normal temperature for 10min at the rotating speed of 500 r/min;
(3) Preparing a polyolefin synthetic paper layer: firstly, melting, extruding and forming a film from a mixture of PE and PP, and stretching the film along different axial directions to generate a film; then, the film is processed in a paper shape, titanium dioxide is added to make the film opaque, the whiteness is improved, the light transmittance is 5%, the longitudinal stiffness is more than or equal to 90mN/38 mm, the transverse stiffness is more than or equal to 40 mN/38 mm, the longitudinal tensile strength is more than or equal to 30 MPa, and the transverse tensile strength is more than or equal to 20MPa;
(4) Printing ink: intaglio printing is carried out on the polyolefin synthetic paper layer through typesetting of the image-text part;
(5) Extrusion compounding: the method comprises the steps of plasticizing and extruding a polyolefin material by a screw after heating, wherein the extruding temperature is 280 ℃, adhering the polyolefin material to the upper surface and the lower surface of a silicon oxide high barrier layer after stretching, forming a first polyolefin laminated layer on the upper surface of the silicon oxide high barrier layer, bonding the first polyolefin laminated layer with a polyolefin synthetic paper layer, wherein the bonding temperature is 130 ℃, the peeling strength is more than or equal to 1N/15mm, forming a second polyolefin laminated layer on the lower surface of the silicon oxide high barrier layer, forming a semi-finished product, carrying out cold treatment on the semi-finished product by a cooling roller, guiding a polyolefin film by the cooling roller, and tightly adhering the polyolefin film and the semi-finished product together, wherein the upper polyolefin film layer is positioned on the upper surface of the polyolefin synthetic paper layer, and the lower polyolefin film layer is positioned on the lower surface of the second polyolefin laminated layer, thus forming the semi-finished product;
(6) And (3) rolling: rolling the produced finished product by a rolling machine;
(7) Cutting: cutting the rolled packaging material according to the image-text layout printed on the packaging material so as to facilitate subsequent forming;
the ink comprises the following raw materials in parts by weight: 30-35 parts of resin, 20-25 parts of color developing agent, 0.4-1 part of plasticizer, 0.2-0.5 part of drying agent and 40-45 parts of organic solvent;
the resin is one or more of rosin pentaerythritol ester, alkyd resin, rosin modified phenolic resin and maleic anhydride;
the color developing agent is any one or more of carbon black, chrome yellow, cadmium red, iron blue, chrome green and titanium white;
the plasticizer is dibutyl phthalate or epoxidized soybean oil;
the drying agent is one of cobalt octoate, manganese octoate, zirconium octoate and cerium octoate;
the organic solvent is ethyl acetate or isopropanol.
2. The composite paper silicon oxide high barrier film packaging material according to claim 1, wherein: the polyolefin had a melt index of 7.
3. The composite paper silicon oxide high barrier film packaging material according to claim 1, wherein: the organosilicon compounds are hexamethyldisiloxane and tetramethyldisiloxane.
4. The composite paper silicon oxide high barrier film packaging material according to claim 1, wherein: the components of the upper polyolefin film layer and the bottom polyolefin film layer are the same, and the components of the first polyolefin laminated layer and the second polyolefin laminated layer are the same.
5. Use of a composite paper silicon oxide high barrier film packaging material according to any one of claims 1-4 in forming liquid packaging boxes, liquid packaging pillow bags.
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